<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>login</title>
</head>
<body>
    <span style="color:red;" th:text="${msg}"></span>
    <form action="/resources/login" method="post" >
        账号:<input type="text" name="username"/><br/>
        密码:<input type="password" name="password"/><br/>
        <input type="submit" value="登录">
    </form>
</body>
</html>